Fig. 6

Polygonal chart and 3D reconstruction images of case 1. The asymmetry index on orbitale was not changed because the 3D coordinate data of reference landmarks were maintained on the postoperative images. Asymmetry indices on maxillary landmarks almost did not change because the maxillary surgery did not include the canting correction or midline correction. Asymmetry indices on mandibular landmarks were greatly improved (red: before surgery, blue: after surgery)